2025-11-30 13:50.15: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/heads/persistent-bit-vectors (1516aaaaca1bace79c8670726b99a3d45c37b3ce) (linux-x86_64:debian-13-4.09_opam-2.4) Base: ocaml/opam:debian-13-ocaml-4.09@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5 Opam project build To reproduce locally: git clone --recursive "https://github.com/backtracking/bitv.git" -b "persistent-bit-vectors" && cd "bitv" && git reset --hard 1516aaaa cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.09@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5 # debian-13-4.09_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN cd ~/opam-repository && (git cat-file -e 109398e2fd61803126becd398df0f1eabc9f3ca2 || git fetch origin master) && git reset -q --hard 109398e2fd61803126becd398df0f1eabc9f3ca2 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 bitv.opam ./ RUN opam pin add -yn bitv.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="base-bigarray.base base-threads.base base-unix.base dune.3.20.2 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-config.1" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.4 --depext-only -y bitv.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2025-11-30 13:50.15: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.09@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5-debian-13-4.09_opam-2.4-76c86c6ce1e58657b1ffdad4d0a251f3" 2025-11-30 13:50.15: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.09@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5) (comment debian-13-4.09_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (workdir /src) (run (shell "sudo chown opam /src")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 109398e2fd61803126becd398df0f1eabc9f3ca2 || git fetch origin master) && git reset -q --hard 109398e2fd61803126becd398df0f1eabc9f3ca2 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src bitv.opam) (dst ./)) (run (network host) (shell "opam pin add -yn bitv.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.20.2 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-config.1") (env CI true) (env OCAMLCI true) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam update --depexts && opam install --cli=2.4 --depext-only -y bitv.dev $DEPS")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) (copy (src .) (dst /src)) (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) ) 2025-11-30 13:50.15: Waiting for resource in pool OCluster 2025-11-30 13:50.15: Waiting for worker… 2025-11-30 13:50.16: Got resource from pool OCluster Building on toxis.caelum.ci.dev All commits already cached HEAD is now at 1516aaa persistent bit vectors, wip (from ocaml/opam:debian-13-ocaml-4.09@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5) Unable to find image 'ocaml/opam:debian-13-ocaml-4.09@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5' locally docker.io/ocaml/opam@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5: Pulling from ocaml/opam 13cc39f8244a: Already exists b27d53669817: Pulling fs layer 062c909e206e: Pulling fs layer 265baae72087: Pulling fs layer b6b7b385247c: Pulling fs layer bfb7bf5b7c6d: Pulling fs layer b18c76fc18f2: Pulling fs layer 6bdbb37ee35f: Pulling fs layer 84035aa4da2d: Pulling fs layer 265baae72087: Waiting 0c3307e14207: Pulling fs layer b6b7b385247c: Waiting 30b92d637d72: Pulling fs layer 991b07583706: Pulling fs layer bfb7bf5b7c6d: Waiting b18c76fc18f2: Waiting 6bdbb37ee35f: Waiting e1d7a79a1495: Pulling fs layer 6b08d63c6214: Pulling fs layer 84035aa4da2d: Waiting 0c3307e14207: Waiting 4c7236344711: Pulling fs layer 991b07583706: Waiting 30b92d637d72: Waiting 12506f41e8b0: Pulling fs layer 6b08d63c6214: Waiting e1d7a79a1495: Waiting 2330d596aec1: Pulling fs layer a48299f5ec62: Pulling fs layer 04618a577568: Pulling fs layer 2330d596aec1: Waiting 8c4b002d072b: Pulling fs layer 12506f41e8b0: Waiting 4f4fb700ef54: Pulling fs layer a48299f5ec62: Waiting 8c4b002d072b: Waiting ff68f05e2976: Pulling fs layer 4f4fb700ef54: Waiting d5543b560a3e: Pulling fs layer 4a9030bbb1ef: Pulling fs layer ff68f05e2976: Waiting c59b3bec3411: Pulling fs layer d5543b560a3e: Waiting 85a7c9be9495: Pulling fs layer c59b3bec3411: Waiting dbc6bd8f2e44: Pulling fs layer 6680a5133ca2: Pulling fs layer 470c0056084c: Pulling fs layer 6680a5133ca2: Waiting 6b9af56b67cf: Pulling fs layer c572cde25fb3: Pulling fs layer 470c0056084c: Waiting 6b9af56b67cf: Waiting 033b2d405acf: Pulling fs layer 663cc5b3d424: Pulling fs layer 840bbd47fded: Pulling fs layer fb8f644ba010: Pulling fs layer 663cc5b3d424: Waiting 66735543f230: Pulling fs layer 7896354b8c11: Pulling fs layer 840bbd47fded: Waiting a0063722d8c2: Pulling fs layer 7018e4a5881b: Pulling fs layer 5511230be26a: Pulling fs layer 40f67569465d: Pulling fs layer 0f008cb40208: Pulling fs layer a0063722d8c2: Waiting 6b7ca41647e0: Pulling fs layer 7018e4a5881b: Waiting 5511230be26a: Waiting 40f67569465d: Waiting b27d53669817: Verifying Checksum b27d53669817: Download complete 062c909e206e: Download complete b27d53669817: Pull complete 062c909e206e: Pull complete b6b7b385247c: Verifying Checksum b6b7b385247c: Download complete 265baae72087: Verifying Checksum 265baae72087: Download complete 265baae72087: Pull complete b6b7b385247c: Pull complete b18c76fc18f2: Verifying Checksum b18c76fc18f2: Download complete 6bdbb37ee35f: Verifying Checksum 6bdbb37ee35f: Download complete 84035aa4da2d: Verifying Checksum 84035aa4da2d: Download complete bfb7bf5b7c6d: Verifying Checksum bfb7bf5b7c6d: Download complete 0c3307e14207: Verifying Checksum 0c3307e14207: Download complete 30b92d637d72: Verifying Checksum 30b92d637d72: Download complete 991b07583706: Verifying Checksum 991b07583706: Download complete 6b08d63c6214: Verifying Checksum 6b08d63c6214: Download complete e1d7a79a1495: Verifying Checksum e1d7a79a1495: Download complete 4c7236344711: Download complete 12506f41e8b0: Verifying Checksum 12506f41e8b0: Download complete 2330d596aec1: Download complete a48299f5ec62: Verifying Checksum a48299f5ec62: Download complete 04618a577568: Download complete 8c4b002d072b: Verifying Checksum 8c4b002d072b: Download complete 4f4fb700ef54: Verifying Checksum 4f4fb700ef54: Download complete ff68f05e2976: Download complete d5543b560a3e: Verifying Checksum d5543b560a3e: Download complete 4a9030bbb1ef: Verifying Checksum 4a9030bbb1ef: Download complete c59b3bec3411: Verifying Checksum c59b3bec3411: Download complete 85a7c9be9495: Verifying Checksum 85a7c9be9495: Download complete 6680a5133ca2: Download complete dbc6bd8f2e44: Download complete 6b9af56b67cf: Verifying Checksum 6b9af56b67cf: Download complete 470c0056084c: Download complete c572cde25fb3: Download complete 033b2d405acf: Verifying Checksum 033b2d405acf: Download complete 663cc5b3d424: Download complete fb8f644ba010: Verifying Checksum fb8f644ba010: Download complete bfb7bf5b7c6d: Pull complete 66735543f230: Verifying Checksum 66735543f230: Download complete b18c76fc18f2: Pull complete 6bdbb37ee35f: Pull complete 7896354b8c11: Verifying Checksum 7896354b8c11: Download complete 84035aa4da2d: Pull complete a0063722d8c2: Verifying Checksum a0063722d8c2: Download complete 7018e4a5881b: Download complete 0c3307e14207: Pull complete 840bbd47fded: Verifying Checksum 840bbd47fded: Download complete 40f67569465d: Download complete 30b92d637d72: Pull complete 0f008cb40208: Verifying Checksum 0f008cb40208: Download complete 991b07583706: Pull complete 6b7ca41647e0: Download complete e1d7a79a1495: Pull complete 6b08d63c6214: Pull complete 4c7236344711: Pull complete 12506f41e8b0: Pull complete 2330d596aec1: Pull complete a48299f5ec62: Pull complete 04618a577568: Pull complete 8c4b002d072b: Pull complete 4f4fb700ef54: Pull complete ff68f05e2976: Pull complete d5543b560a3e: Pull complete 4a9030bbb1ef: Pull complete c59b3bec3411: Pull complete 85a7c9be9495: Pull complete dbc6bd8f2e44: Pull complete 6680a5133ca2: Pull complete 470c0056084c: Pull complete 6b9af56b67cf: Pull complete c572cde25fb3: Pull complete 033b2d405acf: Pull complete 663cc5b3d424: Pull complete 5511230be26a: Verifying Checksum 5511230be26a: Download complete 840bbd47fded: Pull complete fb8f644ba010: Pull complete 66735543f230: Pull complete 7896354b8c11: Pull complete a0063722d8c2: Pull complete 7018e4a5881b: Pull complete 5511230be26a: Pull complete 40f67569465d: Pull complete 0f008cb40208: Pull complete 6b7ca41647e0: Pull complete Digest: sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5 Status: Downloaded newer image for ocaml/opam@sha256:c9713bbef7f9ec11a54f557062e604c092b8bf7d019e50c23e614c693c4e0ca5 2025-11-30 13:50.17 ---> using "fdec8556ea76014db997247791612cf485e44bed45b0b0c070f584c6a0d62e30" from cache /: (comment debian-13-4.09_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2025-11-30 13:50.17 ---> using "7637a87144ac5b0fa431f19e87275a98c9c9a544bf5ca307551f31f8cc56bbe0" from cache /src: (run (shell "opam init --reinit -ni")) Configuring from /home/opam/.opamrc and then from built-in defaults. Checking for available remotes: rsync and local, git. - you won't be able to use mercurial repositories unless you install the hg command on your system. - you won't be able to use darcs repositories unless you install the darcs command on your system. This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted. You may want to back it up before going further. Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2025-11-30 13:50.17 ---> using "4cf22ea9a5b3d9107f08520d4de94d40f000372cd94e7b8a72ece69f3582c076" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-134-generic The OCaml toplevel, version 4.09.1 2.4.1 2025-11-30 13:50.18 ---> using "5aa15a979e7687af8447ad704f6d85d8fc0ba4e098a1b15d79f3c197586eab30" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-11-30 13:50.18 ---> using "db36bceb8290f313a40d424fd7e9a225005679df8422d79ebfaa50d351010bd2" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 109398e2fd61803126becd398df0f1eabc9f3ca2 || git fetch origin master) && git reset -q --hard 109398e2fd61803126becd398df0f1eabc9f3ca2 && git log --no-decorate -n1 --oneline && opam update -u")) 109398e2fd Merge pull request #28437 from maiste/release-dune-3.20.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.3.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2025-11-30 13:50.18 ---> using "a0cf1d742e6496a37744f2829f7eec9c31992e5ce622e60d4ba1d4fbe3a87740" from cache /src: (copy (src bitv.opam) (dst ./)) 2025-11-30 13:50.18 ---> using "e95b75dfd5273501930c79f0c019a52f05769c731c2d2367f735d70722825804" from cache /src: (run (network host) (shell "opam pin add -yn bitv.dev './'")) [bitv.dev] synchronised (file:///src) bitv is now pinned to file:///src (version dev) 2025-11-30 13:50.18 ---> using "a607823ad54dcb77739d295a4cc64e8ecfdd4cf17b958a37c2d3773242995fcd" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-11-30 13:50.18 ---> using "f556af81f51e813c0ecee4b027da28e4af1980e913a77dfdcb2858b7859661d5" from cache /src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.20.2 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-config.1") /src: (env CI true) /src: (env OCAMLCI true) /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam update --depexts && opam install --cli=2.4 --depext-only -y bitv.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian trixie InRelease [140 kB] - Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB] - Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB] - Get:4 http://deb.debian.org/debian trixie/main amd64 Packages [9670 kB] - Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [75.6 kB] - Fetched 9977 kB in 1s (8383 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [bitv.dev] synchronised (file:///src) [NOTE] Package ocaml-config is already installed (current version is 1). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.09.1). [NOTE] Package ocaml is already installed (current version is 4.09.1). [NOTE] Package base-unix is already installed (current version is base). [NOTE] Package base-threads is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). 2025-11-30 13:50.18 ---> using "a3e149095493e9fa0142ab460a525b13bc0f2a84e4068a625b24b7107273f21a" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-config is already installed (current version is 1). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.09.1). [NOTE] Package ocaml is already installed (current version is 4.09.1). [NOTE] Package base-unix is already installed (current version is base). [NOTE] Package base-threads is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). The following actions will be performed: === install 1 package - install dune 3.20.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.20.2 (cached) -> installed dune.3.20.2 Done. # To update the current shell environment, run: eval $(opam env) 2025-11-30 13:50.18 ---> using "8892817a0bf845a2a0d9957b3f12ea1029f1c61141854ce761e759fab546322b" from cache /src: (copy (src .) (dst /src)) 2025-11-30 13:50.18 ---> saved as "a9ebd21bf6fd3e7f494dc1669a42898442d6dab73b1106d5222c8f6973e5dca6" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /home/opam/.opam/4.09/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w -32 -g -bin-annot -I .bitv.objs/byte -intf-suffix .ml -no-alias-deps -opaque -open Bitv__ -o .bitv.objs/byte/bitv__Pbv.cmo -c -impl pbv.ml) File "pbv.ml", line 215, characters 47-57: 215 | Seq.fold_left (fun v x -> add x v) (empty (Seq.length s)) s ^^^^^^^^^^ Error: Unbound value Seq.length (cd _build/default && /home/opam/.opam/4.09/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w -32 -g -I .bitv.objs/byte -I .bitv.objs/native -intf-suffix .ml -no-alias-deps -opaque -open Bitv__ -o .bitv.objs/native/bitv__Pbv.cmx -c -impl pbv.ml) File "pbv.ml", line 215, characters 47-57: 215 | Seq.fold_left (fun v x -> add x v) (empty (Seq.length s)) s ^^^^^^^^^^ Error: Unbound value Seq.length "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2025-11-30 13:50.18: Job failed: Failed: Build failed